.cate-aside {
  width: 90px;
  height: 100%;
  position: relative;

  ul {
    li {
      a {
        display: block;
        width: 90px;
        height: 50px;
        text-align: center;
        line-height: 50px;
        color: #333;
        border-right: 1px solid #ccc;
        border-bottom: 1px solid #ccc;
        background-color: #eee;
      }
    }

    li.current {
      a {
        border-right: none;
        background-color: #fff;
      }
    }
  }
}

.cate-content {
  flex: 1;

  a {
    float: left;
    width: 33.33%;
    text-align: center;

    img {
      width: 70%;
    }
  }
}